Truncated Icosahedron
In Object Mode hit Shift+A shortcut to add a new object, and in the menu select Mesh>Icosphere with number of subdivisions set to 1. 

 

Then change to Edit Mode, select everything, hit Ctrl+Shift+B shortcut to bevel the vertices and input 0.35 as the amount of bevel and hit Enter, or in Bevel operator panel change amount type to Percent and change Amount to 33.333%



Result: